WO2023082287A1 - Procédé de transmission d'informations et appareil associé - Google Patents

Procédé de transmission d'informations et appareil associé Download PDF

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Publication number
WO2023082287A1
WO2023082287A1 PCT/CN2021/130767 CN2021130767W WO2023082287A1 WO 2023082287 A1 WO2023082287 A1 WO 2023082287A1 CN 2021130767 W CN2021130767 W CN 2021130767W WO 2023082287 A1 WO2023082287 A1 WO 2023082287A1
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Prior art keywords
system information
frequency domain
time
information block
domain resources
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PCT/CN2021/130767
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English (en)
Chinese (zh)
Inventor
池连刚
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202180003915.6A priority Critical patent/CN116889046A/zh
Priority to PCT/CN2021/130767 priority patent/WO2023082287A1/fr
Publication of WO2023082287A1 publication Critical patent/WO2023082287A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to an information transmission method and device thereof.
  • the wireless spectrum resources in the low frequency band are gradually being exhausted, and the development and utilization of millimeter wave and even terahertz communication technologies in the high frequency band have become an inevitable trend.
  • the propagation loss in the terahertz frequency band is relatively serious, and small changes in the transmission distance will greatly affect the large-scale transmission characteristics of the channel, that is, the available bandwidth of terminal devices at different distances is different. Therefore, how to use the terahertz frequency band for information transmission has become an urgent problem to be solved.
  • Embodiments of the present disclosure provide an information transmission method and device thereof, which can be applied in the field of communication technologies.
  • an embodiment of the present disclosure provides an information transmission method, the method is executed by a network device, and the method includes: sending a system information block on one or more candidate time-frequency domain resources.
  • the sending a system information block on one or more candidate time-frequency domain resources includes:
  • time-divisionally sending the system information block on multiple candidate time-frequency domain resources
  • the system information block is time-divisionally sent on a candidate time-frequency domain resource.
  • the system information block includes any one of the following: a downlink synchronization signal, system information, and a demodulation reference signal of the system information.
  • each system information block satisfies at least one of the following:
  • Each of the system information blocks corresponds to a time-frequency domain resource of a random access channel
  • Each of the system information blocks corresponds to a time-frequency domain resource of an uplink control channel
  • Each of the system information blocks corresponds to time-frequency domain resources of a plurality of random access channels.
  • Each of the system information blocks corresponds to time-frequency domain resources of multiple uplink control channels.
  • different candidate time-frequency domain resources are distributed in different subbands.
  • one subband includes M resource block RBs, and one RB includes N orthogonal frequency division multiplexing (OFDM) subcarriers, where M and N are positive integers.
  • OFDM orthogonal frequency division multiplexing
  • an embodiment of the present disclosure provides another information transmission method, the method is executed by a terminal device, and the method includes: receiving a system information block on one or more candidate time-frequency domain resources.
  • the receiving the system information block on one or more candidate time-frequency domain resources includes:
  • the system information block is time-divisionally received on a candidate time-frequency domain resource.
  • the system information block includes any one of the following: a downlink synchronization signal, system information, and a demodulation reference signal of the system information.
  • each system information block satisfies at least one of the following:
  • Each of the system information blocks corresponds to a time-frequency domain resource of a random access channel
  • Each of the system information blocks corresponds to a time-frequency domain resource of an uplink control channel
  • Each of the system information blocks corresponds to time-frequency domain resources of a plurality of random access channels.
  • Each of the system information blocks corresponds to time-frequency domain resources of multiple uplink control channels.
  • the determining the time-frequency domain resource to be used according to the signal quality of the received system information block includes:
  • the signal quality meets preset conditions, including at least one of the following:
  • the reference signal received power RSRP of the synchronization signal is greater than the first threshold
  • the reference signal reception quality RSRQ of the synchronization signal is greater than the second threshold
  • the signal-to-interference-plus-noise ratio SINR of the synchronization signal is greater than a third threshold
  • the received signal strength indication RSSI of the synchronization signal is greater than a fourth threshold
  • the RSRP of the demodulation reference signal is greater than the fifth threshold
  • the RSRQ of the demodulation reference signal is greater than the sixth threshold
  • the SINR of the demodulation reference signal is greater than the seventh threshold
  • the RSSI of the demodulation reference signal is greater than the eighth threshold.
  • each threshold value is determined according to the configuration of the network device.
  • different candidate time-frequency domain resources are distributed in different subbands.
  • one subband includes M resource block RBs, and one RB includes N orthogonal frequency division multiplexing (OFDM) subcarriers, where M and N are positive integers.
  • OFDM orthogonal frequency division multiplexing
  • the embodiment of the present disclosure provides a communication device, which has part or all of the functions of the network device in the method described in the first aspect above, for example, the functions of the communication device may have part or all of the functions in the present disclosure
  • the functions in the embodiments may also have the functions of independently implementing any one of the embodiments in the present disclosure.
  • the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the embodiment of the present disclosure provides another communication device, which has some or all functions of the terminal device in the method example described in the second aspect above, for example, the function of the communication device may have part of the present disclosure Or the functions in all the embodiments may also have the function of implementing any one embodiment in the present disclosure alone.
  • the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • an embodiment of the present disclosure provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, executes the method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, it executes the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication device, the communication device includes a processor and a memory, and a computer program is stored in the memory; when the computer program is executed by the processor, the communication device executes the above-mentioned The method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device, the communication device includes a processor and a memory, and a computer program is stored in the memory; when the computer program is executed by the processor, the communication device executes the above-mentioned The method described in the second aspect.
  • an embodiment of the present disclosure provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication system, the system includes the communication device described in the third aspect and the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect and The communication device described in the sixth aspect, or, the system includes the communication device described in the seventh aspect and the communication device described in the eighth aspect, or, the system includes the communication device described in the ninth aspect and the communication device described in the tenth aspect the communication device described above.
  • an embodiment of the present invention provides a computer-readable storage medium for storing instructions used by the above-mentioned network device, and when the instructions are executed, the method described in the above-mentioned first aspect is implemented.
  • an embodiment of the present invention provides a computer-readable storage medium for storing instructions used by the above-mentioned terminal device, and when the instructions are executed, the method described in the above-mentioned second aspect is implemented.
  • the present disclosure further provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the first aspect above.
  • the present disclosure further provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the second aspect above.
  • the present disclosure provides a chip system
  • the chip system includes at least one processor and an interface, used to support the network device to implement the functions involved in the first aspect, for example, determine or process the data involved in the above method and at least one of information.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data of the network device.
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • the present disclosure provides a chip system
  • the chip system includes at least one processor and an interface, used to support the terminal device to implement the functions involved in the second aspect, for example, determine or process the data involved in the above method and at least one of information.
  • the chip system further includes a memory, and the memory is configured to store necessary computer programs and data of the terminal device.
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the first aspect above.
  • the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the second aspect above.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of an information transmission method provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of an information transmission method provided by another embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart of an information transmission method provided by another embodiment of the present disclosure.
  • FIG. 5 is a schematic flowchart of an information transmission method provided by another embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a communication device according to another embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present disclosure.
  • Terahertz (THz) waves refer to electromagnetic waves with a frequency in the range of 0.1-10THz (wavelength 3000-30 ⁇ m). THz technology can be widely used in radar, remote sensing, homeland security and anti-terrorism, high-security data communication and transmission, atmosphere and Environmental monitoring, real-time biological information extraction and medical diagnosis and other fields.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present disclosure.
  • the communication system may include, but is not limited to, a network device and a terminal device.
  • the number and form of the devices shown in Figure 1 are for example only and do not constitute a limitation to the embodiments of the present disclosure. In practical applications, two or more network equipment, two or more terminal equipment.
  • the communication system shown in FIG. 1 includes a network device 11 and a terminal device 8 .
  • LTE long term evolution
  • 5th generation 5th generation
  • 5G new radio new radio, NR
  • other future new mobile communication systems etc.
  • the network device 11 in the embodiment of the present disclosure is an entity on the network side for transmitting or receiving signals.
  • the network device 11 may be an evolved base station (evolved NodeB, eNB), a transmission point (transmission reception point, TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or a base station in other future mobile communication systems Or an access node in a wireless fidelity (wireless fidelity, WiFi) system, etc.
  • eNB evolved NodeB
  • TRP transmission reception point
  • gNB next generation base station
  • gNB next generation NodeB
  • the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the network device.
  • the network device provided by the embodiment of the present disclosure may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be called a control unit (control unit), and the CU-DU
  • the structure of the network device such as the protocol layer of the base station, can be separated, and the functions of some protocol layers are placed in the centralized control of the CU, and the remaining part or all of the functions of the protocol layer are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device 8 in the embodiment of the present disclosure is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • the terminal equipment may also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT) and so on.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control (industrial control), wireless terminal equipment in self-driving (self-driving), wireless terminal equipment in remote medical surgery (remote medical surgery), smart grid ( Wireless terminal devices in smart grid, wireless terminal devices in transportation safety, wireless terminal devices in smart city, wireless terminal devices in smart home, etc.
  • the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal device.
  • FIG. 2 is a schematic flowchart of an information transmission method provided by an embodiment of the present disclosure, and the method is executed by a network device. As shown in Figure 2, the method may include but not limited to the following steps:
  • Step 21 Send a system information block on one or more candidate time-frequency domain resources.
  • the propagation loss in the terahertz frequency band is relatively serious, and small changes in the transmission distance will greatly affect the large-scale transmission characteristics of the channel, resulting in different available bandwidths for terminal devices at different distances.
  • multiple candidate time-frequency domain resources can be allocated for the system information block, and then the system information block is sent to the terminal device at the same time on multiple candidate time-frequency domain resources, so that even if there is unavailable bandwidth in terahertz communication,
  • the terminal device may also receive the system information block sent by the network device, so as to transmit information based on the channel resource corresponding to the received system information block.
  • a subband may contain M resource blocks (resource block, RB), and an RB may contain N orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) subcarriers, where M and N are positive integer.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the value of M and the value of N may be the same or different, which is not limited in the present disclosure.
  • system information blocks sent by the network device on multiple candidate time-frequency domain resources may be the same or different, which is not limited in the present disclosure.
  • the system information block may include any of the following items: a downlink synchronization signal, system information, and a demodulation reference signal of the system information.
  • each system information block can satisfy at least one of the following:
  • Each system information block corresponds to a time-frequency domain resource of a random access channel
  • Each system information block corresponds to a time-frequency domain resource of an uplink control channel
  • Each system information block corresponds to time-frequency domain resources of a plurality of random access channels.
  • Each system information block corresponds to time-frequency domain resources of multiple uplink control channels.
  • the terminal device may perform random access based on the time-frequency domain resources of any random access channel contained in the system signal block. enter.
  • the system signal block received by the terminal device corresponds to time-frequency domain resources of multiple uplink control channels, and the terminal device can perform uplink data transmission based on the time-frequency domain resources of any uplink control channel contained in the system signal block. This is not limited.
  • the network device can send the system information block to the terminal device first, and if the terminal device receives the system information block, the terminal device can, within a period of time after receiving the system information block, based on the channel information contained in the system information block resources, perform random access, or send uplink data.
  • the network device sends the system information block to the terminal device on one or more candidate time-frequency domain resources, so that even if there is an unavailable bandwidth in the multiple candidate time-frequency domain resources, the terminal device can
  • the system information block sent by the network device can be received, and information is transmitted with the network device based on the received system information block, thereby ensuring the reliability of information transmission.
  • FIG. 3 is a schematic flowchart of an information transmission method provided by an embodiment of the present disclosure, and the method is executed by a network device. As shown in Figure 3, the method may include but not limited to the following steps:
  • Step 31 Determine one or more candidate time-frequency domain resources according to the agreement.
  • the frequency domain resource can be divided into multiple subbands through the agreement, and then multiple candidate time-frequency domain resources corresponding to the system information block are specified, and it is ensured that the system information block has a corresponding subband Candidate time-frequency domain resources. Therefore, no matter how the distance between the terminal device and the network device changes, as long as the network device sends the system information block based on multiple candidate time-frequency domain resources, the terminal device must be able to receive the system information block from the candidate time-frequency domain resources in at least one subband.
  • Step 32 Send a system information block on one or more candidate time-frequency domain resources.
  • the network device can simultaneously send the system information block on multiple candidate time-frequency domain resources; or, the network device can also transmit system information blocks on multiple candidate time-frequency domain resources Send system information blocks in time-sharing.
  • the network device may time-divisionally send the system information block on one candidate time-frequency domain resource.
  • the terminal device can simultaneously receive multiple system information blocks based on the multiple candidate time-frequency domain resources, so that at least one A system information block is received on the candidate time-frequency domain resource. Furthermore, available time-frequency domain resources can be determined according to multiple received system information blocks, thereby ensuring reliable transmission of information and shortening time for information transmission between network devices and terminal devices.
  • the terminal device can time-divisionally receive the system information block on multiple candidate time-frequency domain resources, and the currently received system information block If the quality of the information block is good, the terminal device can perform uplink data transmission or random access according to the channel information contained in the system information block, so that it can not only send information to the network device in time, but also save channel resources.
  • the terminal device will receive the system information block when the distance between the terminal device and the network device matches the candidate video domain resource , and then information transmission can be performed with the network device based on the candidate time-frequency domain resource.
  • the network device can first determine one or more candidate time-frequency domain resources according to the agreement, and then send the system information block on the one or more candidate time-frequency domain resources. Therefore, even if there is an unavailable bandwidth in multiple candidate time-frequency domain resources, the terminal device can also receive the system information block sent by the network device, and then transmit information with the network device based on the received system information block, thus ensuring Reliability of information transmission.
  • FIG. 4 is a schematic flowchart of an information transmission method provided by an embodiment of the present disclosure, and the method is executed by a terminal device. As shown in Figure 4, the method may include but not limited to the following steps:
  • Step 41 Receive a system information block on one or more candidate time-frequency domain resources.
  • multiple candidate time-frequency domain resources can be allocated for the system information block, and then the system information block is sent to the terminal device at the same time on the multiple candidate time-frequency domain resources.
  • the system information block sent by the network device is received on the domain resource, and information is transmitted with the network device based on the channel resource corresponding to the received system information block.
  • a subband may contain M resource blocks (resource block, RB), and an RB may contain N orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) subcarriers, where M and N are positive integer.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the system information block includes any of the following items: a downlink synchronization signal, system information, and a demodulation reference signal of the system information.
  • each system information block satisfies at least one of the following:
  • Each system information block corresponds to a time-frequency domain resource of a random access channel
  • Each system information block corresponds to a time-frequency domain resource of an uplink control channel
  • Each system information block corresponds to time-frequency domain resources of a plurality of random access channels.
  • Each system information block corresponds to time-frequency domain resources of multiple uplink control channels.
  • the terminal device may perform random access based on the time-frequency domain resources of any random access channel contained in the system signal block. enter.
  • the system signal block received by the terminal device corresponds to time-frequency domain resources of multiple uplink control channels, and the terminal device can perform uplink data transmission based on the time-frequency domain resources of any uplink control channel contained in the system signal block. This is not limited.
  • the terminal device may perform random access or send uplink data based on the channel resources contained in the system information block within a period of time after receiving the system information block.
  • the terminal device receives the system information block on one or more candidate time-frequency domain resources, so that even if there is an unavailable bandwidth in the multiple candidate time-frequency domain resources, the terminal device can also receive the network The system information block sent by the device, and then based on the system information block, transmits information with the network device, thus ensuring the reliability of information transmission.
  • FIG. 5 is a schematic flowchart of an information transmission method provided by an embodiment of the present disclosure, and the method is executed by a terminal device. As shown in Figure 5, the method may include but not limited to the following steps:
  • Step 51 Determine one or more candidate time-frequency domain resources according to the agreement.
  • the frequency domain resource can be divided into multiple subbands through the agreement, and then multiple candidate time-frequency domain resources corresponding to the system information block are specified, and it is ensured that the system information block has a corresponding subband Candidate time-frequency domain resources. Therefore, no matter how the distance between the terminal device and the network device changes, as long as the network device sends the system information block based on multiple candidate time-frequency domain resources, the terminal device must be able to receive the system information block from the candidate time-frequency domain resources in at least one subband.
  • Step 52 Receive system information blocks on one or more candidate time-frequency domain resources.
  • the terminal device may simultaneously receive the system information block on multiple candidate time-frequency domain resources; or, may also time-share the multiple candidate time-frequency domain resources Receive system information block.
  • the terminal device may time-divisionally receive the system information block on one candidate time-frequency domain resource.
  • the terminal device can simultaneously receive multiple system information blocks based on the multiple candidate time-frequency domain resources, so that at least one A system information block is received on the candidate time-frequency domain resource.
  • available time-frequency domain resources can be determined according to multiple received system information blocks, thereby not only ensuring reliable transmission of information, but also shortening the time for information transmission between network devices and terminal devices.
  • the terminal device may time-divisionally receive the system information block on multiple candidate time-frequency domain resources, if the currently received If the quality of the system information block is good, the terminal device can perform uplink data transmission or random access according to the channel information contained in the system information block, so that it can not only send information to the network device in time, but also save channel resources.
  • the terminal device will receive the system information block when the distance between the terminal device and the network device matches the candidate time-frequency domain resource. block, and then information transmission can be performed with the network device based on the candidate time-frequency domain resource.
  • Step 53 Determine the time-frequency domain resources to be used according to the signal quality of the received system information block.
  • the terminal device may first receive the system signal block based on the candidate time-frequency domain resources, and then determine the signal quality of the received system signal block, and determine that the terminal device The time-frequency domain resource to be used, and then based on the time-frequency domain resource to be used, uplink data is sent to the network device, thereby ensuring the reliability of information transmission.
  • the terminal device may determine the time-frequency domain resource of the random access channel corresponding to the system information block whose signal quality meets the preset condition as the time-frequency domain resource of the random access channel to be used.
  • the terminal device may also determine the time-frequency domain resource of the uplink control channel corresponding to the system information block whose signal quality meets the preset condition as the time-frequency domain resource of the uplink control channel to be used.
  • the signal quality meets preset conditions, which may include at least one of the following:
  • the reference signal received power (reference signal received power, RSRP) of the synchronization signal is greater than the first threshold
  • the reference signal received quality (reference signal received quality, RSRQ) of the synchronization signal is greater than the second threshold
  • the signal-to-noise and interference ratio (SINR) of the synchronization signal is greater than the third threshold;
  • the received signal strength indicator (Received Signal Strength Indicator, RSSI) of the synchronization signal is greater than the fourth threshold;
  • the RSRP of the demodulation reference signal is greater than the fifth threshold
  • the RSRQ of the demodulation reference signal is greater than the sixth threshold
  • the SINR of the demodulation reference signal is greater than the seventh threshold
  • the RSSI of the demodulation reference signal is greater than the eighth threshold.
  • the terminal device may determine the size of each threshold according to the agreement.
  • the terminal device may also determine the size of each threshold according to the configuration of the network device.
  • the above thresholds may be the same or different from each other.
  • the present disclosure does not limit this.
  • the terminal device may first determine one or more candidate time-frequency domain resources according to the agreement, then receive the system information block on the one or more candidate time-frequency domain resources, and finally, according to the received system information
  • the signal quality of the block determines the time-frequency domain resources to be used. Therefore, the terminal device can transmit uplink data based on the time-frequency domain resource contained in the system signal block with better signal quality, so that even if there is an unavailable bandwidth in multiple candidate time-frequency domain resources, the terminal device can also receive To the system information block sent by the network device, and then based on the system information block with better signal quality, the information is transmitted with the network device, thereby further ensuring the reliability of information transmission.
  • the methods provided in the embodiments of the present disclosure are introduced from the perspectives of network devices and terminal devices respectively.
  • the network device and the terminal device may include a hardware structure and a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above-mentioned functions may be implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • FIG. 6 is a schematic structural diagram of a communication device 60 provided by an embodiment of the present disclosure.
  • the communication device 60 shown in FIG. 6 may include a processing module 601 and a transceiver module 602 .
  • the transceiver module 602 may include a sending module and/or a receiving module, the sending module is used to realize the sending function, the receiving module is used to realize the receiving function, and the sending and receiving module 602 can realize the sending function and/or the receiving function.
  • the communication device 60 may be a network device, may also be a device in the network device, and may also be a device that can be matched with the network device.
  • the communication device 60 on the network device side, the device includes:
  • the transceiver module 602 is configured to send a system information block on one or more candidate time-frequency domain resources.
  • the transceiver module 602 is specifically used for:
  • the system information block is time-divisionally sent on a candidate time-frequency domain resource.
  • the processing module 601 is used to determine one or more candidate time-frequency domain resources according to the agreement.
  • the system information block includes any of the following items: a downlink synchronization signal, system information, and a demodulation reference signal of the system information.
  • each system information block satisfies at least one of the following:
  • Each system information block corresponds to a time-frequency domain resource of a random access channel
  • Each system information block corresponds to a time-frequency domain resource of an uplink control channel
  • Each system information block corresponds to time-frequency domain resources of a plurality of random access channels.
  • Each system information block corresponds to time-frequency domain resources of multiple uplink control channels.
  • different candidate time-frequency domain resources are distributed in different subbands.
  • one subband includes M resource blocks RB, and one RB includes N orthogonal frequency division multiplexing (OFDM) subcarriers, where M and N are positive integers.
  • OFDM orthogonal frequency division multiplexing
  • the network device sends a system information block to the terminal device on one or more candidate time-frequency domain resources, so that even if there is an unavailable bandwidth in multiple candidate time-frequency domain resources, the terminal device can
  • the system information block sent by the network device can be received, and information is transmitted with the network device based on the received system information block, thereby ensuring the reliability of information transmission.
  • the communication device 60 may be a terminal device, may also be a device in the terminal device, and may also be a device that can be matched and used with the terminal device.
  • the communication device 60 on the side of the terminal device, the device includes:
  • the transceiver module 602 is configured to receive a system information block on one or more candidate time-frequency domain resources.
  • the transceiver module 602 is specifically used for:
  • the system information block is time-divisionally received on a candidate time-frequency domain resource.
  • the processing module 601 is configured to determine one or more candidate time-frequency domain resources according to the agreement.
  • the system information block includes any of the following items: a downlink synchronization signal, system information, and a demodulation reference signal of the system information.
  • each system information block satisfies at least one of the following:
  • Each system information block corresponds to a time-frequency domain resource of a random access channel
  • Each system information block corresponds to a time-frequency domain resource of an uplink control channel
  • Each system information block corresponds to time-frequency domain resources of a plurality of random access channels.
  • Each system information block corresponds to time-frequency domain resources of multiple uplink control channels.
  • processing module 601 is also used for:
  • processing module 601 is also specifically used for:
  • the signal quality meets preset conditions, including at least one of the following:
  • the reference signal received power RSRP of the synchronization signal is greater than the first threshold
  • the reference signal reception quality RSRQ of the synchronization signal is greater than the second threshold
  • the signal-to-interference-plus-noise ratio SINR of the synchronization signal is greater than a third threshold
  • the received signal strength indication RSSI of the synchronization signal is greater than a fourth threshold
  • the RSRP of the demodulation reference signal is greater than the fifth threshold
  • the RSRQ of the demodulation reference signal is greater than the sixth threshold
  • the SINR of the demodulation reference signal is greater than the seventh threshold
  • the RSSI of the demodulation reference signal is greater than the eighth threshold.
  • processing module 601 is also specifically used for:
  • the size of each threshold is determined according to the configuration of the network device.
  • different candidate time-frequency domain resources are distributed in different subbands.
  • one subband includes M resource blocks RB, and one RB includes N orthogonal frequency division multiplexing (OFDM) subcarriers, where M and N are positive integers.
  • OFDM orthogonal frequency division multiplexing
  • a terminal device receives system information blocks on one or more candidate time-frequency domain resources, so that even if there is an unavailable bandwidth in multiple candidate time-frequency domain resources, the terminal device can also receive The system information block sent by the network device is then used to transmit information with the network device based on the system information block, thereby ensuring the reliability of information transmission.
  • FIG. 7 is a schematic structural diagram of another communication device 70 provided by an embodiment of the present disclosure.
  • the communication device 70 may be a network device, or a terminal device, or a chip, a chip system, or a processor that supports the network device to implement the above method, or a chip, a chip system, or a chip that supports the terminal device to implement the above method. processor etc.
  • the device can be used to implement the methods described in the above method embodiments, and for details, refer to the descriptions in the above method embodiments.
  • Communications device 70 may include one or more processors 701 .
  • the processor 701 may be a general-purpose processor or a special-purpose processor or the like. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs , to process data for computer programs.
  • the communication device 70 may further include one or more memories 702, on which a computer program 704 may be stored, and the processor 701 executes the computer program 704, so that the communication device 70 executes the method described in the above method embodiment. method.
  • data may also be stored in the memory 702 .
  • the communication device 70 and the memory 702 can be set separately or integrated together.
  • the communication device 70 may further include a transceiver 705 and an antenna 706 .
  • the transceiver 705 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
  • the transceiver 705 may include a receiver and a transmitter, and the receiver may be called a receiver or a receiving circuit for realizing a receiving function; the transmitter may be called a transmitter or a sending circuit for realizing a sending function.
  • the communication device 70 may further include one or more interface circuits 707 .
  • the interface circuit 707 is used to receive code instructions and transmit them to the processor 701 .
  • the processor 701 executes the code instructions to enable the communication device 70 to execute the methods described in the foregoing method embodiments.
  • the communication device 70 is a network device: the processor 701 is configured to execute step 31 in FIG. 3 .
  • the transceiver 705 is used to execute step 21 in FIG. 2 ; step 32 in FIG. 3 .
  • the communication device 70 is a terminal device: the processor 701 is used to execute step 51 and step 53 in FIG. 5 ; the transceiver 705 is used to execute step 41 in FIG. 4 ; and step 52 in FIG. 5 .
  • the processor 701 may include a transceiver for implementing receiving and sending functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits for realizing the functions of receiving and sending can be separated or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit may be used for signal transmission or transfer.
  • the processor 701 may store a computer program 703 , and the computer program 703 runs on the processor 701 to enable the communication device 70 to execute the methods described in the foregoing method embodiments.
  • the computer program 703 may be solidified in the processor 701, and in this case, the processor 701 may be implemented by hardware.
  • the communication device 70 may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this disclosure can be implemented on integrated circuits (integrated circuits, ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board, PCB), electronic equipment, etc.
  • the processor and transceiver can also be fabricated using various IC process technologies such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may not be limited by FIG. 7 .
  • a communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • a set of one or more ICs may also include storage components for storing data and computer programs;
  • ASIC such as modem (Modem);
  • the communication device may be a chip or a chip system
  • the chip shown in FIG. 8 includes a processor 801 and an interface 802 .
  • the number of processors 801 may be one or more, and the number of interfaces 802 may be more than one.
  • Processor 801 configured to execute step 31 in FIG. 3 .
  • the interface 802 is used to execute step 21 in FIG. 2 and step 32 in FIG. 3 .
  • the processor 801 is configured to execute step 51 and step 53 in FIG. 5 .
  • the interface 802 is used for step 41 in FIG. 4 and step 52 in FIG. 5 .
  • the chip further includes a memory 803 for storing necessary computer programs and data.
  • the embodiment of the present disclosure also provides a communication system, the system includes the communication device as the terminal device and the communication device as the network device in the aforementioned embodiment of Figure 6, or the system includes the communication device as the terminal device in the aforementioned embodiment of Figure 7 devices and communication devices as network devices.
  • the present disclosure also provides a computer-readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any one of the above method embodiments are realized.
  • the present disclosure also provides a computer program product, which implements the functions of any one of the above method embodiments when executed by a computer.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product comprises one or more computer programs. When the computer program is loaded and executed on the computer, all or part of the processes or functions according to the embodiments of the present disclosure will be generated.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
  • the computer program can be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program can be downloaded from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk (solid state disk, SSD)) etc.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a high-density digital video disc (digital video disc, DVD)
  • a semiconductor medium for example, a solid state disk (solid state disk, SSD)
  • At least one in the present disclosure can also be described as one or more, and a plurality can be two, three, four or more, and the present disclosure is not limited.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “First”, “Second”, “Third”, “A”, “B”, “C” and “D” have no sequence or order of magnitude among the technical features described.
  • first, second, and third may be used in the embodiment of the present application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another.
  • first information may also be called second information, and similarly, second information may also be called first information.
  • second information may also be called first information.
  • the words “if” and “if” may be construed as “at” or “when” or “in response to a determination” or "under circumstances”.
  • each table in the present disclosure may be configured or predefined.
  • the values of the information in each table are just examples, and may be configured as other values, which are not limited in the present disclosure.
  • the corresponding relationship shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, for example, splitting, merging, and so on.
  • the names of the parameters shown in the titles of the above tables may also use other names that the communication device can understand, and the values or representations of the parameters may also be other values or representations that the communication device can understand.
  • other data structures can also be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables can be used wait.
  • Predefinition in the present disclosure can be understood as definition, predefinition, storage, prestorage, prenegotiation, preconfiguration, curing, or prefiring.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente divulgation concernent un procédé de transmission d'informations et un appareil associé, qui peuvent être appliqués au domaine technique des communications. Le procédé, qui est exécuté par un dispositif de réseau, consiste à : envoyer un bloc d'informations système sur une ou plusieurs ressources de domaine temps-fréquence candidates. Par conséquent, même s'il existe une bande passante indisponible dans une pluralité de ressources de domaine temps-fréquence candidates, un dispositif terminal peut toujours recevoir un bloc d'informations système qui est envoyé par un dispositif de réseau, de façon à effectuer une transmission d'informations avec le dispositif de réseau sur la base du bloc d'informations système reçu, ce qui permet d'assurer la fiabilité de la transmission d'informations.
PCT/CN2021/130767 2021-11-15 2021-11-15 Procédé de transmission d'informations et appareil associé WO2023082287A1 (fr)

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PCT/CN2021/130767 WO2023082287A1 (fr) 2021-11-15 2021-11-15 Procédé de transmission d'informations et appareil associé

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Citations (4)

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CN107734663A (zh) * 2016-08-11 2018-02-23 华为技术有限公司 系统信息传输方法及装置
CN109842917A (zh) * 2017-11-29 2019-06-04 维沃移动通信有限公司 系统信息块的传输方法和用户终端
US20200037294A1 (en) * 2017-03-22 2020-01-30 Huawei Technologies Co., Ltd. Data receiving method and apparatus thereof, and data sending method and apparatus thereof
US20210250921A1 (en) * 2018-11-02 2021-08-12 Fujitsu Limited Signal transmission method and apparatus, signal reception method and apparatus and communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107734663A (zh) * 2016-08-11 2018-02-23 华为技术有限公司 系统信息传输方法及装置
US20200037294A1 (en) * 2017-03-22 2020-01-30 Huawei Technologies Co., Ltd. Data receiving method and apparatus thereof, and data sending method and apparatus thereof
CN109842917A (zh) * 2017-11-29 2019-06-04 维沃移动通信有限公司 系统信息块的传输方法和用户终端
US20210250921A1 (en) * 2018-11-02 2021-08-12 Fujitsu Limited Signal transmission method and apparatus, signal reception method and apparatus and communication system

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